diff options
Diffstat (limited to 'msm8909/liblight/lights.c')
| -rw-r--r-- | msm8909/liblight/lights.c | 122 |
1 files changed, 90 insertions, 32 deletions
diff --git a/msm8909/liblight/lights.c b/msm8909/liblight/lights.c index cf24d501..eed6a250 100644 --- a/msm8909/liblight/lights.c +++ b/msm8909/liblight/lights.c @@ -1,6 +1,7 @@ /* + * Copyright (C) 2014, 2017 The Linux Foundation. All rights reserved. + * Not a contribution * Copyright (C) 2008 The Android Open Source Project - * Copyright (C) 2014 The Linux Foundation. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -18,8 +19,8 @@ // #define LOG_NDEBUG 0 -#include <cutils/log.h> - +#include <log/log.h> +#include <cutils/properties.h> #include <stdint.h> #include <stdlib.h> #include <string.h> @@ -32,6 +33,11 @@ #include <sys/types.h> #include <hardware/lights.h> +#include "lights_prv.h" + +#ifndef DEFAULT_LOW_PERSISTENCE_MODE_BRIGHTNESS +#define DEFAULT_LOW_PERSISTENCE_MODE_BRIGHTNESS 0x80 +#endif /******************************************************************************/ @@ -39,7 +45,9 @@ static pthread_once_t g_init = PTHREAD_ONCE_INIT; static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER; static struct light_state_t g_notification; static struct light_state_t g_battery; +static int g_last_backlight_mode = BRIGHTNESS_MODE_USER; static int g_attention = 0; +static int g_brightness_max = 0; char const*const RED_LED_FILE = "/sys/class/leds/red/brightness"; @@ -50,12 +58,12 @@ char const*const GREEN_LED_FILE char const*const BLUE_LED_FILE = "/sys/class/leds/blue/brightness"; -char const*const BLUETOOTH_LED_FILE - = "/sys/class/leds/bt/brightness"; - char const*const LCD_FILE = "/sys/class/leds/lcd-backlight/brightness"; +char const*const LCD_FILE2 + = "/sys/class/backlight/panel0-backlight/brightness"; + char const*const BUTTON_FILE = "/sys/class/leds/button-backlight/brightness"; @@ -68,6 +76,9 @@ char const*const GREEN_BLINK_FILE char const*const BLUE_BLINK_FILE = "/sys/class/leds/blue/blink"; +char const*const PERSISTENCE_FILE + = "/sys/class/graphics/fb0/msm_fb_persist_mode"; + /** * device methods */ @@ -120,12 +131,59 @@ set_light_backlight(struct light_device_t* dev, { int err = 0; int brightness = rgb_to_brightness(state); + unsigned int lpEnabled = + state->brightnessMode == BRIGHTNESS_MODE_LOW_PERSISTENCE; + if(!dev) { + return -1; + } + + pthread_mutex_lock(&g_lock); + // Toggle low persistence mode state + if ((g_last_backlight_mode != state->brightnessMode && lpEnabled) || + (!lpEnabled && + g_last_backlight_mode == BRIGHTNESS_MODE_LOW_PERSISTENCE)) { + if ((err = write_int(PERSISTENCE_FILE, lpEnabled)) != 0) { + ALOGE("%s: Failed to write to %s: %s\n", __FUNCTION__, + PERSISTENCE_FILE, strerror(errno)); + } + if (lpEnabled != 0) { + brightness = DEFAULT_LOW_PERSISTENCE_MODE_BRIGHTNESS; + } + } + + g_last_backlight_mode = state->brightnessMode; + + if (!err) { + if (!access(LCD_FILE, F_OK)) { + err = write_int(LCD_FILE, brightness); + } else { + err = write_int(LCD_FILE2, brightness); + } + } + + pthread_mutex_unlock(&g_lock); + return err; +} + +static int +set_light_backlight_ext(struct light_device_t* dev, + struct light_state_t const* state) +{ + int err = 0; + if(!dev) { return -1; } + + int brightness = state->color & 0x00ffffff; pthread_mutex_lock(&g_lock); - err = write_int(LCD_FILE, brightness); + + if (brightness >= 0 && brightness <= g_brightness_max) { + set_brightness_ext_level(brightness); + } + pthread_mutex_unlock(&g_lock); + return err; } @@ -184,15 +242,15 @@ set_speaker_light_locked(struct light_device_t* dev, if (red) { if (write_int(RED_BLINK_FILE, blink)) write_int(RED_LED_FILE, 0); - } + } if (green) { if (write_int(GREEN_BLINK_FILE, blink)) write_int(GREEN_LED_FILE, 0); - } + } if (blue) { if (write_int(BLUE_BLINK_FILE, blink)) write_int(BLUE_LED_FILE, 0); - } + } } else { write_int(RED_LED_FILE, red); write_int(GREEN_LED_FILE, green); @@ -263,20 +321,6 @@ set_light_buttons(struct light_device_t* dev, return err; } -static int -set_light_bluetooth(struct light_device_t* dev, - struct light_state_t const* state) -{ - int err = 0; - if(!dev) { - return -1; - } - pthread_mutex_lock(&g_lock); - err = write_int(BLUETOOTH_LED_FILE, state->color & 0xFF); - pthread_mutex_unlock(&g_lock); - return err; -} - /** Close the lights device */ static int close_lights(struct light_device_t *dev) @@ -301,18 +345,32 @@ static int open_lights(const struct hw_module_t* module, char const* name, int (*set_light)(struct light_device_t* dev, struct light_state_t const* state); - if (0 == strcmp(LIGHT_ID_BACKLIGHT, name)) - set_light = set_light_backlight; - else if (0 == strcmp(LIGHT_ID_BATTERY, name)) + if (0 == strcmp(LIGHT_ID_BACKLIGHT, name)) { + char property[PROPERTY_VALUE_MAX]; + property_get("persist.extend.brightness", property, "0"); + + if(!(strncmp(property, "1", PROPERTY_VALUE_MAX)) || + !(strncmp(property, "true", PROPERTY_VALUE_MAX))) { + property_get("persist.display.max_brightness", property, "255"); + g_brightness_max = atoi(property); + set_brightness_ext_init(); + set_light = set_light_backlight_ext; + } else + set_light = set_light_backlight; + } else if (0 == strcmp(LIGHT_ID_BATTERY, name)) set_light = set_light_battery; else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name)) set_light = set_light_notifications; - else if (0 == strcmp(LIGHT_ID_BUTTONS, name)) - set_light = set_light_buttons; + else if (0 == strcmp(LIGHT_ID_BUTTONS, name)) { + if (!access(BUTTON_FILE, F_OK)) { + // enable light button when the file is present + set_light = set_light_buttons; + } else { + return -EINVAL; + } + } else if (0 == strcmp(LIGHT_ID_ATTENTION, name)) set_light = set_light_attention; - else if (0 == strcmp(LIGHT_ID_BLUETOOTH, name)) - set_light = set_light_bluetooth; else return -EINVAL; @@ -326,7 +384,7 @@ static int open_lights(const struct hw_module_t* module, char const* name, memset(dev, 0, sizeof(*dev)); dev->common.tag = HARDWARE_DEVICE_TAG; - dev->common.version = 0; + dev->common.version = LIGHTS_DEVICE_API_VERSION_2_0; dev->common.module = (struct hw_module_t*)module; dev->common.close = (int (*)(struct hw_device_t*))close_lights; dev->set_light = set_light; |